" Find the value of "tan^(-1)(1)+cos^(-1)(-(1)/(2))

Find the value of 2tan^(-1)(1)-cos^(-1)(-(1)/(2))+3sin^(-1)((1)/(sqrt(2)))+2sec^(-1)((2)/(sqrt(3)))

Find the value of 2tan^(-1)(1)-cos^(-1)(-(1)/(2))+3sin^(-1)((1)/(sqrt(2)))+2sec^(-1)((2)/(sqrt(3)))

Find the value of 2tan^(-1)(1)-cos^(-1)(-1/2)+3sin^(-1)(1/sqrt(2))+2sec^(-1)(2/sqrt(3))

The value of tan ^(-1) (1) + cos ^(-1) (-(1)/(2) ) + sin ^(-1) (-(1)/(2)) is equal to (3pi)/(k) . Find the value of K.

Find the value of tan((1)/(2)cos^(-1)((sqrt(5))/(3)))

Find the value of tan^(-1)[2 cos(2sin^(-1)frac(1)(2) )]

Find the values of tan^-1(1)+cos^-1(-1/2)+sin^-1(-1/2)